ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t5541-http-push-smart.sh b/t/t5541-http-push-smart.sh
index d2c681ebfde39fcccef190c3a242dfae9d8af2f2..9cf27e8c9924770b619b8e21fb22b5225e5f085f 100755 (executable)
--- a/t/t5541-http-push-smart.sh
+++ b/t/t5541-http-push-smart.sh
@@ -158,7 +158,7 @@ test_http_push_nonff "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git \
 test_expect_success 'push fails for non-fast-forward refs unmatched by remote helper' '
        # create a dissimilarly-named remote ref so that git is unable to match the
        # two refs (viz. local, remote) unless an explicit refspec is provided.
-       git push origin master:retsam
+       git push origin master:retsam &&
 
        echo "change changed" > path2 &&
        git commit -a -m path2 --amend &&
@@ -324,12 +324,6 @@ test_expect_success 'push into half-auth-complete requires password' '
        test_cmp expect actual
 '
 
-run_with_limited_cmdline () {
-       (ulimit -s 128 && "$@")
-}
-
-test_lazy_prereq CMDLINE_LIMIT 'run_with_limited_cmdline true'
-
 test_expect_success CMDLINE_LIMIT 'push 2000 tags over http' '
        sha1=$(git rev-parse HEAD) &&
        test_seq 2000 |